可一人操作暂时在公路上农用拖拉机没有驾驶执照？
Can a person temporarily operate a farm tractor on the highway without a driver license?
整套设备一人操作，可替代传统的钢板酸洗除锈工艺。
Thewhole set of equipment can replace traditional steel slab rust-re-moved technique.
纸板尺寸调节采用丝杆调整机构，一人操作，简易快速。
Cardboard size adjustment adopts screw roller adjusting system, one man operating, simple and fast.
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